Product retainer



FIG. 1 is a top front perspective view of a product retainer showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top front perspective view thereof showing the claimed design in an environment in which it may be used; and,

FIG. 9 is a bottom rear perspective view thereof.

The broken lines in the figures show portions of the product retainer and environment that form no part of the claimed design. 

CLAIM The ornamental design for a product retainer, as shown and described. 